Panel Boards | McMaster-Carr

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32,104 Products

Electrical Power, Networking, and Controlling

Circuit Breaker Boxes

Hold a series of circuit breakers in line; also known as load centers

49 products

Circuit Breaker Box Filler Plates

Conceal live electrical components in circuit breaker boxes to prevent injury and damage

2 products

Fuse Blocks

Send power to one or more circuits and house a fuse for each of them

142 products

Fuse Holders

Contain, protect, and mount fuses

41 products

Thermal Interface Pads

Soft and flexible, so they conform to rough surfaces and fill gaps between two surfaces

24 products

Control Panels

Connect and monitor your fire alarm system

1 product

Circuit Boards

Create your own circuit board designs by adding components

50 products

Electrical Enclosure Covers

Replace Fibox enclosure covers

98 products

Electrical Enclosure Panels

Mount and connect components inside enclosures

150 products

Electrical Enclosure Panel Mounts

Add a secondary panel that swings to mount more components in your enclosure

2 products

Electrical Enclosure Vents

Attach to sealed enclosures so air can flow to equalize temperature and pressure

5 products

Electrical Enclosure Inspection Windows

View components without exposing them to dust and moisture

35 products

Electrical Enclosure Pedestals

Mount enclosures at a comfortable height to access switches, displays, and other controls

6 products

Terminal Blocks

Create tidy rows of wire connections that you can identify, test, and adjust on the spot

42 products

Solar Panels

Charge large-cell batteries with sunlight

4 products

Patch Panels

Expand and reconfigure a data network when space inside your enclosure is limited

1 product

Power Cords

Connect equipment and devices to a power source

1 product

Raw Materials

Plastic

A lightweight alternative to metal and glass

6,754 products

Wood

Commonly used to build ramps, crates, and prototypes or to make repairs

52 products

Nickel

An upgrade from stainless steel to withstand harsh chemicals and acids—all with material certificates for traceability

94 products

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

3,680 products

Steel

Strong, machinable, and weldable—all with material certificates for traceability

3,731 products

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

3,348 products

Niobium

Conductive and corrosion resistant even at extreme temperatures—all with material certificates for traceability

6 products

Zinc

Draws corrosion away from nearby metal; an alternative to lead for sound barriers and vibration dampers

3 products

Bronze

Better wear resistance than copper and brass—all with material certificates for traceability

408 products

Brass

More machinable than copper and bronze—all with material certificates for traceability

536 products

Copper

Our most conductive metal for electrical applications—all with material certificates for traceability

711 products

Tin

Soft and malleable for forming gaskets and filters; also mixes with other metals to make solder

10 products

Cobalt

Resists impact and rapid temperature changes—all with material certificates for traceability

5 products

Lead

A dense insulator often used to shield against radiation and absorb sound and vibration

66 products

Titanium

The most corrosion-resistant metal we offer—all with material certificates for traceability

122 products

Tungsten

Our densest metal resists wear and heat to make end mills, heat shields, electrodes, and more

67 products

Platinum

Formable and conductive while resisting extreme heat—all with material certificates for traceability

4 products

Molybdenum

Retains its shape and strength in extreme temperatures—all with material certificates for traceability

16 products

Tantalum

Conductive with a higher melting point than most metals—all with material certificates for traceability

6 products

Fiberglass

A lightweight alternative to metal and wood widely used in electrical and structural applications

247 products

Hard Fiber

Chemically treated to be hard and dense, this is the easiest composite to machine in our offering

70 products

Carbon Fiber

The strongest composite we offer; comparable in strength to 6061 aluminum but lighter in weight

186 products

Garolite

A strong, machinable alternative to metal and plastic widely used in circuit boards and gears

1,701 products

Kevlar

Super tough for protection against prolonged wear and abrasion

4 products

Aramid

Strong, lightweight, and an excellent thermal insulator; also known as Nomex

10 products

Ceramic

Hard and wear resistant, it also withstands corrosion and high temperatures

240 products

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

5,142 products

Mica

An electrical insulator that resists high temperatures; use in circuit breakers and heating elements

145 products

Carbon

An electrical conductor that’s often used in electronics and sensors

18 products

Graphite

Compressible or conductive for making high-temperature seals, furnace parts, and crucibles

46 products

Glass

Clear and highly heat and chemical resistant; often used in sights, lighting, and lab equipment

121 products

Containers, Storage, and Furniture

Pegboards

Add hooks and holders to create a workstation for storing and organizing tools and parts

116 products

Slatwalls

Slide brackets and holders in the channels for a custom storage space that's stronger than pegboard

11 products

Wall Panels

Build impact-resistant enclosures, windows, and roofs that let light in and keep the elements out

12 products

Wall-Covering Panels

Attach to wallboard, masonry, and studs for a textured surface that resists impact and mold

8 products

Partition Panels

Separate people and workspaces with moveable walls

28 products

Toilet Partitions

Separate toilets and urinals for privacy

32 products

Toilet Partition Color Samples

See the color choices before ordering toilet partitions

3 products

Toilet Partition Mounting Hardware

Mount and connect toilet and urinal partition components

18 products

Toilet Partition Door Hardware

Replace the hinges, latches, hooks, and handles on toilet partitions

6 products

Toilet Partition Trim Shoes

Replace the trim shoes on the bottom of toilet partition columns

11 products

Clean Rooms

Create a contaminant-free environment to work on electronics and other sensitive equipment

17 products

Metal Panels

Close off openings in structures while allowing air to pass through

253 products

Wire Partitions

Create secure storage and work rooms that you can see into

12 products

Facility and Grounds Maintenance

Chain Link Fencing

Everything you need to build or repair a chain link fence, from posts to gates

3 products

Fencing

Metal chicken wire, plastic fencing, fabric erosion-control fencing, and wood drift fencing

59 products

Fence Posts

Secure and hold up fencing

10 products

Fence Post Drivers

Pound fence posts into the ground

1 product

Fence Post Pullers

Extract fence posts from the ground

1 product

Roof Panels

Direct water off of roofs and protect them from impact, heat, chemicals, and weather

18 products

Sink Splash Guards

Surround sinks to shield people and equipment from getting wet

9 products

Sink Pipe Covers

Prevent burns from hot water pipes

3 products

Protective Coatings

Shield surfaces from the surrounding environment

1 product

Building and Machinery Hardware

Sound Barrier Partitions

Stand in noisy areas to block and reflect sound

1 product

Access Panels

Install in ceilings, walls, concrete floors, and tanks to access and inspect inside

167 products

Bolt-Together Framing Panel Hanging Brackets

Install panels on bolt-together framing rails to create guards and partitions

1 product

Vibration-Damping Sheets and Tape

Stick to vibrating surfaces such as duct, between parts, or on floor joists to reduce noise

38 products

Vibration-Damping Coatings

Apply to irregularly shaped equipment and large areas to reduce noise from vibration

2 products

Sound Barrier Sheets

Block and reflect noise to keep it from reaching other parts of your facility

16 products

Acoustic Insulation

Absorb sound to quiet noisy areas and machines

53 products

Roof Hatches

Access the roof from inside your building

7 products

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

116 products

Strip Doors

Keep hot or cold air in and dust and debris out while allowing people to move through doorways

152 products

Strip Door Mounting Plates

Bolt or press door strips on these plates to create strip doors

32 products

Security Gates

Barricade areas without sacrificing visibility and airflow

4 products

Protective Film and Tape

Adhere to surfaces to keep them free of scratches, chemicals, moisture, and germs

3 products

Lockout Organizing Stations

Keep padlocks, tags, and other lockout tools neatly stored and ready to use

11 products

Ceiling Tile Clips

Secure ceiling tiles or connect ceiling tile frame components

11 products

Accordion Doors

Slide open without taking up as much floor space as a swinging door

17 products

Doors

Everything from single to double to two-way swinging doors

3 products

Ceiling Tile Leak Diverters

Temporarily replace existing tiles to trap and divert water from overhead leaks

2 products

Ceiling Tiles

Create a new drop ceiling that allows access to pipes and wiring

47 products

Key-Control Cabinets

Lock and keep track of keys in a central location

20 products

Ceiling Grids

Support ceiling tiles in drop ceilings

35 products

Door Strips

Hang from mounting plates to create strip doors, or replace worn strips in an existing door

232 products

Ceiling Tile Sound Barriers

Lay over ceiling tiles to block sound

1 product

Floor Plates

Add permanent slip resistance to floors, ramps, stairs, and docks

38 products

Communication

Shadow Board Tape

Mark where tools go on pegboard and wall organizers

1 product

Whiteboards

Write with dry erase markers, then easily erase

6 products

Fabricating and Machining

Dovetail Blanks

Machine a blank workpiece with precut dovetails and locating slots for easy setup

5 products

Firebricks

Insulate furnaces to minimize heat loss while adding flame resistance

16 products

$Refractory Cement$

Refractory Cement

Lay firebricks or set and repair cast iron and steel furnaces, heaters, stoves, and boilers

4 products

Fastening and Joining

Panel Clips

Slide over the edge of two or more panels to hold them together without tools or fasteners

3 products

Construction Adhesives

Join a wide range of construction materials, from drywall to carpeting

1 product

Fluid Handling

Sintered Filters

Tiny holes let particles such as air, gas, and vapor pass through while trapping contaminants

3 products

Material Handling

Corrugated Sheets

Slide between pallets and stacked items to protect them from damage or reinforce the bottom of boxes

20 products

Lighting

Light Lenses

Reduce glare from light bulbs and protect them from damage

26 products

Heating, Ventilation, and Air Conditioning

Pipe Insulation Repair Strips

Patch and protect damaged pipe insulation

3 products

Pipe Insulation Banding

Strap around pipe insulation to keep it in place

14 products

Insulation Hanger Studs

Press insulation sheets onto the spike to secure them to walls and other flat surfaces

21 products

Heat Barriers

Protect equipment and surfaces from damage caused by nearby heat sources

26 products

Pipe Insulation

Fit around pipe, tubing, and tanks to reduce heat loss or condensation

782 products

Insulation Fill

Blow into walls to fill gaps in existing insulation, or mix as a filler in insulating cement

1 product

Louvers

Allow air to circulate through doors, walls, roofs, and enclosures

271 products

Enclosure Hoods

Keep enclosures watertight, even around intake and exhaust cutouts

5 products

Insulation Sheets

Line the walls of furnaces, freezers, ductwork, and buildings to keep heat in or out

256 products

Duct Access Panels

Create an entry point for cleaning and inspecting duct; also known as cleanouts

41 products

Pipe Insulation Jacketing

Guard pipe insulation from impact, moisture, and corrosion

153 products

Spray Foam Insulation

Expands to fill in cracks, gaps, and other hollow spaces for a tight seal against drafts and heat

18 products

Registers

Direct and control airflow coming out of HVAC systems

10 products

Insulation Fencing

Made of pliable mesh for securing insulation blankets, covers, and jackets

3 products

Duct

Pair with fittings and accessories to convey and control airflow

12 products

Safety Equipment

Curtain Partitions

Section off work spaces, locker rooms, and restricted areas

56 products

Heat-Resistant Blankets

Drape these blankets over machinery or hang them from walls to protect your workspace from sparks

35 products

Protective Panels

Stop the spread of illness without blocking communication

16 products

Curtains

Pull shut to protect against dust, weld spatter, heat, and splashing liquid

181 products

Protective Screens

Set up to protect against dust, weld spatter, heat, and splashing liquid

129 products

Chip Guards

Deflect flying chips while machining to protect people and equipment

38 products

Machine Guards

Surround equipment to prevent injury to workers and damage to machines

115 products

ADA Warning Plates

Alert individuals with visual impairments to an upcoming intersection or an edge of a walkway

16 products